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/*-
* ============LICENSE_START=======================================================
* ECOMP-XACML
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.policy.xacml.util;
public class MetricsUtil {
public static class AvgLatency {
private long cumLatency = 0;
private long count = 0;
public void compute(long latency) {
cumLatency += latency;
count++;
}
public long avg() {
if (count == 0)
return 0;
return (cumLatency / count);
}
public void reset() {
cumLatency = 0;
count = 0;
}
}
public static class MinLatency {
private long min = Long.MAX_VALUE;
public synchronized void compute(long ts) {
if (ts < min)
min = ts;
}
public long min() {
return min;
}
public void reset() {
min = Long.MAX_VALUE;
}
}
public static class MaxLatency {
private long max = Long.MIN_VALUE;
public synchronized void compute(long ts) {
if (ts > max)
max = ts;
}
public long max() {
return max;
}
public void reset() {
max = Long.MIN_VALUE;
}
}
}
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